Self-powered Total Counter
Contents
1. e Use the power supply within the applicable range indicated by the following waveform while considering the ripple and voltage fluctuations of the circuit power source Voltage e The H7ELJ NLIP changes its mode as shown below depending on the applied supply voltage LCD Internal circuit operation l Beyond supply voltage 3 6 3 Normal operation Applicable range Approx 2 6 Looks lighter _ AE or eee ee Battery life i Normal operation g Looks lighter P guideline Approx 2 2 No display No operation 0 OomRON New H7E EN IEC Standards The count or timer input reset input and backlight power supply ter minals of the no voltage input or PNP NPN universal DC voltage input models H7ELJ N N1 H7ELJ NV H NV1 H are not isola ted A SELV power supply conforming to Appendix H of IEC61010 1 should be used for the count or timer input reset input and backlight power supply terminals A SELV power supply is a power supply for which the input and output have double or reinforced insulation and for which the output voltage is 30 Vrms with 42 4 V peak or 60 VDC max Only the H7ELJ NVLJ H has a backlight The terminals for count or timer input and reset input for AC DC mul ti voltage input models have basic insulation Connect the reset input terminals to a device that does not have exposed current carrying parts and has basic insulation for 240 VAC Others If the2. Hz for 10 min each in 3 directions Destruction 0 375 mm single amplitude at 10 to 55 Hz for 2 hrs each in 3 directions Shock resistance Malfunction 200 m s2 3 times each in 6 directions Destruction 300 m s2 3 times each in 6 directions EMC EMI EN50081 1 Emission Enclosure EN55022 class B EMS EN50082 2 Immunity ESD EN61000 4 2 4 kV contact discharge level 2 8 kV air discharge level 3 Immunity RF interference from AM Radio Waves ENV50140 10 V m 80 MHz to 1 GHz level 3 Immunity RF interference from Pulse modulated Radio Waves ENV50204 10 V m 900 MHz 5 MHz level 3 Immunity Conducted Disturbance ENV50141 10 V 0 15 to 80 MHz level 3 Immunity Burst EN61000 4 4 2 kV power line level 3 2 kV I O signal line level 4 Enclosure rating Front panel IP66 NEMA4 Terminal block IP20 Weight see note No backlight model Approx 60 g Approx 60 g Approx 60 g Note Backlight model Approx 65 g m Reference Value 7 years min with continuous input at 25 C lithium battery Weight includes waterproof packing and flush mounting bracket The battery life is calculated according to the conditions in the left column and therefore is not a guaranteed value Use these value as reference for Battery life maintenance or replacement New H7EC omRONn New H7EC Nomenclature Front view C5 Reset Key Reset the count value Not operable under key protect o
3. indicator keeps flickering or is OFF the internal battery may be close to the end of its service life In such a case it is suggested that the battery be replaced Battery Replacement To prevent unwanted reset when replacing the battery connect the new battery before disconnecting the old one Otherwise the volt age supplied to the counter circuit drops causing the present count value to reset When designing the circuit board providing two extra terminals for battery connection will make the switch must simpler See the sche matic diagram below Old battery H New battery Wiring polarity must be carefully observed in order to prevent per manent damage to the Counters Exercise caution when inserting the Counter in the socket to prevent reversed polarity 33 New H7E Inputs Do not route the wiring of the count timer or reset inputs in the vicin ity of or in parallel to the wiring of high voltage or inductive load cir cuits such as motors and relays Also keep the wiring as short as possible High voltage circuit or inductive load L_Provide as much distance as possible Be careful not to apply voltages exceeding the following values to the count timer or reset terminals otherwise the internal circuit may be damaged No voltage input 3 VDC General Information The terminals are solder plated Finish soldering the t
4. H7E Except for PCB mounting Counter The New H7E models are supplied with a mounting bracket and nut Additionally the Flush Mounting Adapters shown here allow the New H7E models to be fitted to existing panel cutouts Y92F 75 Flush Mounting Adapter for 26 x 45 3 Rectangular Cutout Use mounting bracket supplied with the Counter Two 3 5 dia mounting holes Panel Cutout Y92F 77B Flush Mounting Adapter for 24 8 x 48 8 Rectangular Cutout Use mounting bracket supplied with the Counter Panel cutout 28 8 id a d i d m 45 2 gt 48 8 j 48 2 H 53 8 _ Wire wrap terminal 1 x 1 mm d gt l 7 48 5 17 1 5 S When using the Wire wrap Terminal be sure to use the correct Wire Bit Sleeve Wrapped state wires and peripheral devices The correct wires bits and sleeves are shown in the table on the right AWG22 2 A 2 B Normal AWG24 1 A 1 B Normal AWG26 3 A 1 B Normal Y92S 36 Lithium Battery 3 V A i ea OP 2 ger PCB mounting Counters XR2A 2801 N 28 pin Socket 7S Note When using the Socket use the PCB processing dimen sions previously provided 30 New H7E Precautions New H7E Except for PCB mounting Counter N WARNING OomRON New H7E Th
5. OMRON Self powered Total Counter H7EC E Eight digits counting range 0 to 99999999 E Dual input speed 30 Hz 1 kHz except for AC DC multi voltage input models Ordering Information m Total Counters Count input PNP NPN universal DC voltage input Max counting speed 30 Hz lt gt 1 kHz switchable Display 7 segment LCD with backlight Model Light gray body H7EC NV H Black body H7EC NV BH 7 segment LCD H7EC NV H7EC NV B AC DC multi voltage input 20 Hz 7 segment LCD H7EC NFV H7EC NFV B No voltage Model Number 30 Hz lt gt 1 kHz switchable Legend H7EC N 1 Count Input 123 None No voltage input V PNP NPN universal DC voltage input AC DC multi voltage input FV 2 Case Color None Light gray B Black 7 segment LCD H7EC N 3 Display None 7 segment LCD without backlight H 7 segment LCD with backlight Accessories Order Separately Lithium Battery Y92S 36 H7EC N B Wire wrap Terminal set of two Terminals Y92S 37 Flush Mounting Adapter 26mm x 45mm Y92F 75 24 8 mm x 48 8 mm Y92F 77B New H7EC Specifications General H7EC NV H7EC NV OmRON H7EC NFV New H7EC Operating mode Up type Mounting method Flush mounting Exter
6. circuit and reset circuit are functionally isolated 2 Select input transistors according to the following Dielectric strength of the collector 2 50 V Leakage current lt 100 uA AC DC Multi voltage Input Model Relay or Switch o ae Note gu errr omRON New H7EC No voltage Input Model 1 Contact Input Input by a Relay or Switch Contact Note Note Relay Relay Input Terminals 2 and 4 are internally connected or Switch o j 4 l 1 Use Relays and Switches that have high contact reli ability because the current flowing from terminals 1 or 3 is small It is recommended that OMRON s G3TA IA ID be used as the SSR 2 Solid state Input Open Collector Input of an NPN Transistor Open collector of an NPN transistor Open collector of an NPN transistor Input Terminals 2 and 4 are internally connected 1 Residual voltage in the output section of Proximity Sensors or Photoelectric Sensors becomes less than 0 5 V because the current flowing from terminals 1 or 3 is small thus allowing easy connection 2 Select input transistors according to the following Dielectric strength of the collector 2 50 V Leakage current lt 1 HA Select input transistors according to the following Dielectric strength of the collector 50 V Leakage current lt 1 HA 11 New H7E _OmRON _ New HE Accessories Order Separately New
7. dance 750 kQ min No voltage input Maximum short circuit impedance 10 kQ max Short circuit residual voltage 0 5 V max Minimum open impedance 750 kQ min Max counting speed see note 30 Hz or 1 KHz Switchable with switch 20 Hz 30 Hz or 1 KHz Switchable with switch Minimum signal width 20 Hz 25 ms 30 Hz 16 7 ms 1 KHz 0 5 ms Reset system External reset and manual reset Minimum signal width of 20 ms Terminal screw 0 98 N m max tightening torque Ambient Operating 10 C to 55 C with no condensation or icing temperature Storage 25 C to 65 C with no condensation or icing Ambient Operating 25 to 85 humidity Note ON OFF ratio 1 1 New H7EC m Characteristics Insulation resistance H7EC NV H7EC NV 100 MQ min at 500 VDC between current carrying metal parts and exposed non current carrying metal parts and between the backlight power supply terminal and count input terminals reset terminals for backlight models OomRON H7EC NFV 100 MQ min at 500 VDC between current carrying metal parts and exposed non current carrying metal parts and between count input terminals and reset terminals New H7EC H7EC N 100 MQ min at 500 VDC between current carrying metal parts and exposed non current carrying metal parts Dielectric strength 1 000 VAC 50 60 Hz for 1 m
8. e no insulation from power supply terminals The power supply terminals must be supplied from a SELV source in ac cordance with IEC61010 1 Annex H SELV separated extra low voltage source is a power supply having double or reinforced in sulation between the primary and the secondary circuit and having output voltage of 30 V rms max and 42 4 V peak max or 60 VDC max Cleaning To prevent damage the exterior of the Counter must not be exposed to organic solvents 3 g paint thinner or benzine strong alkalis or strong acids Others e No user serviceable parts e Return to OMRON for all repairs
9. erminals with in 5 seconds at a solder iron tip temperature of 250 C 10 Since the Counter is not flux tight do not use flux when soldering Avoid automatic and dip soldering Manually solder the Counter onto a PC board and avoid cleaning as much as possible When mounting the Counter on a PC board with components which consume higher current than the H7EL NLIP observe the follow ing precautions 1 Minimize the wiring less than 50 mm from the H7ELJ NLIP to the power supply section 2 Avoid placing the H7ELJ NLIP power timer counter or reset input circuit in parallel with circuits that consume large currents particularly on the positive side PC Board Bad Example PC Board Good Example H7EQ NOP Large current consuming components x Placed far away from the power supply Large current consuming components Wired in parallel with large current carrying compo nents Bypass capacitor Bypass T capacitor r Power supply Power supply When using the Counter in an environment where the Counter is subject to frequent occurrences of vibration or shock or when mounting the Counter facing downwards or sideways it is sug gested that the Counter be directly soldered to a PCB instead of us ing sockets 34 OmRON New H7E To Conform to EN IEC Standards Input terminals hav
10. hen the time range is not set to 0s to 999h59m59s The decimal point of the LCD blinks every other second while an input signal is being applied If the decimal point is not blinking the input signal is not being received correctly Check the input signal connections Unit Label for Time Counter and Tachometer A unit label has been packed with the Counter Use in accordance with the application SSS gt Battery Replacement Remove the wiring when replacing the Battery Do not come in con tact with any item to which high voltage is being applied Doing so may result in electric shock Before changing the Battery the person should ensure that they are not carrying any static electric charge Procedure for replacing the Battery refer to the diagrams below 1 Using the tool pry open the lift tab on the case 1 2 Pull the body out of its outer case 2 3 Lift the Battery up by the edge and remove it 3 When removing the Battery do not come in contact with the display area or any internal parts New H7E 4 Wipe the back of the new Battery before inserting it Ensure that the and terminals are correctly oriented 6 After replacing the Battery re insert the body into its case 4 Check that the case is securely held in by the lift tab 7 Press the Reset Key before use not necessary for H7ER N NV NV1 5 a Tool a 2 Precautions PCB mounting Counter Power Supply
11. in between current carrying metal parts and exposed non current carrying metal parts and between the backlight power supply terminal and count input terminals reset terminals for backlight models 3 700 VAC 50 60 Hz for 1 min between current carrying metal parts and exposed non current carrying metal parts 2 200 VAC 50 60 Hz for 1 min between reset terminals and exposed non current carrying metal parts and between count input terminals and reset terminals 1 000 VAC 50 60 Hz for 1 min between current carrying metal parts and exposed non current carrying metal parts Impulse withstand voltage 4 5 kV between current carrying terminal and exposed non current carrying metal parts 4 5 kV between current carrying terminal and exposed non current carrying metal parts 3 kV between input terminals and reset terminals 4 5 kV between current carrying terminal and exposed non current carrying metal parts Noise immunity Square wave noise generated by noise simulator pulse width 100 ns 1 us 1 ns rise 600 V Between count input terminals Between reset terminals 480 V Between the backlight power supply terminals for backlight models 1 5 kV Between count input terminals 500 V Between reset terminals 500 V Between count input terminals Between reset terminals Static immunity 8 kV malfunction Vibration resistance Malfunction 0 15 mm single amplitude at 10 to 55
12. is product has a built in lithium battery Do not short circuit the and terminals charge disassemble deform or expose the battery to fire The battery may explode break catch fire or cause liquid leakage A Caution Do not use any battery other than the specified one Y92S 36 Using another battery may cause liquid leakage or breakage resulting in malfunction or injury Before Use An insulation sheet has been inserted to maintain the quality of the Totalizer in the event of a long period without use Be sure to remove this sheet before attempting to use the product Remove the insulation sheet and press the Reset Key on the front panel of the Counter With the H7ER N NV H NV1 H models 0 or 0 0 will be displayed after 1 s Reset Key Switch settings on the Counter must be performed before mounting it to a control panel Do not use the Counter in the following locations e Locations subject to severe changes in temperature e Locations subject to condensation as the result of high humid ity Mounting Precautions for Flush Mounting Although the operating section is watertight conforming to NEMA4 IP66 rubber packing is provided to avoid water leakage through the gap between the Counter and panel cutout Unless this rubber packing is tightly squeezed on water may permeate inside the panel Therefore be sure to tighten the screws for fixing the Flush Mounting Bracket E
13. mperature will not exceed specifications e The appropriate thickness of the panel is 1 to 5 mm New H7EC omrRON New H7EC Installation m Terminal Arrangement Bottom view View of the Total Counter rotated horizontally 180 Backlight Model No backlight Model Backlight 24 VDC Connections H7EC Total Counter PNP NPN Universal DC Voltage Input Model With Backlight 1 Contact Input Input by a Relay or Switch Contact 2 Solid state Input Open collector of a Open collector of a Relay Relay PNE transistor Backlight PNP transistor ia Backlight 75 re i 24VDC i py avwe beire a am i i Reset___ ref n Or Switch _or Switch_ ieee se i i S i i i i or Open collector of an or Open collector of an i i i I NPN transistor NPN transistor i a pe TT i i i F 1__ es H Note 1 Terminals 2 and 4 input circuit and reset circuit are functionally isolated 2 Select input transistors according to the following Dielectric strength of the collector 2 50 V Leakage current lt 100 pA 10 New H7EC PNP NPN Universal DC Voltage Input Model Without Backlight 1 Contact Input Input by a Relay or Switch Contact Relay 2 Solid state Input Open collector of a PNP transistor Note Open collector of a PNP transistor i i _ Input or Open collector of an or Open collector of an NPN transistor NPN transistor w t ari 1 Terminals 2 and 4 input
14. mron H7EC Key protect Switch Counting speed switch For all models except for H7EC NFV If the switch setting is changed press the Setting Reset Key on the front panel see note Key protect Front panel D OFF Bononie Li default setting etting See note Counting speed Front panel o 30 Hz o ON default setting ae Terminal block 5 iol 1 KHz Terminal block Note Perform switch setting before mounting to a control panel Operation Operating Modes H7EC Total Counter Incrementing Operation Up Reset Count input Full scale 1 Counting display values New H7EC Dimensions Note All units are in millimeters unless otherwise indicated H7EC N OomRON New H7EC Panel Cutout Separate mounting 60 min aba Joint mounting 48 xUnits 2 5 ue 220 5 0 Waterproofing is not possible for joint mounting When mounting insert the Counter into the cutout insert the adapter from the back and push in the Counter while making the gap between the front panel F and the cutout panel as small as m possible Use screws to secure the k Counter If waterproofing is desired insert the waterproof packing ue When several Counters are installed ensure that the ambient te
15. nal connections Screw terminals optional Wire wrap Terminals see note 1 Reset External Manual reset Number of digits 8 Count input PNP NPN universal DC voltage AC DC multi voltage input No voltage input input Display 7 segment LCD with or without backlight character height 8 6 mm see note 2 Max counting speed 30 Hz 1 kHz 20 Hz 30 Hz 1 kHz Case color Light gray or black B models Attachment Waterproof packing flush mounting bracket Approved standard UL508 CSA C22 2 No 14 Lloyds Conforms to EN61010 1 IEC61010 1 Pollution degree2 overvoltage category III Conforms to VDE0106 P100 Note 1 Separately ordered Wire wrap Terminals Y92S 37 are required 2 Only PNP NPN universal DC voltage input models H models have a backlight Ratings Supply voltage H7EC NV H7EC NV Backlight model 24 VDC 0 3 W max only for backlight No backlight model Not required powered by built in battery H7EC NFV Not required powered by built in battery Count input Reset input High logic level 4 5 to 30 VDC Low logic level 0 to 2 VDC Input impedance Approx 4 7 kQ High logic level 24 to 240 VAC VDC 50 60 Hz Low logic level 0 to 2 4 VAC VDC 50 60 Hz No voltage input Maximum short circuit impedance 10 kQ max Short circuit residual voltage 0 5 V max Minimum open impe
16. nters may malfunction e When connecting a sensor to the Counter that operates with no voltage input make sure that the sensor has open collector output Sensor When connecting an open collector input from a transistor to the Counter that operates with no voltage input make sure that the leakage current of the transistor is 1 yA maximum 32 OomRON New H7E No voltage Input and PNP NPN Universal DC Voltage Input Models e The operation of the Counter may be affected if the line voltage of the power supply exceeds 500 pF about 10 m with parallel wires of 2 x 2 mm Keep all wires as short as possible When using shielded wire line capacitance may occur AC DC Multi voltage Input Models When connecting count timer input from an SSR to the Counter that operates with AC DC voltage input use OMRON s G3TA IA ID SSR for DC whose leakage current is 0 1 mA max or connect a bleeder resistor in parallel to the input circuit of the Counter J Leakage current ae 0 1 mA max Bleeder resistor The voltage between terminals 1 and 2 must be 1 5 V maximum when the SSR is OFF Backlight Power Supply e To reduce variation in the brightness of the backlight when using more than one H7E with a backlight use the same power supply for all the backlights When connecting the DC power supply for the backlights be sure to connect the polarities correctly Input Verification with the H7ET Time Counter W
17. when voltage is being applied to the power supply terminals or the input terminals The input for the H7EL NFV L is a high impedance circuit and so influence from an induced voltage may result in malfunction Therefore when the input signal wiring is longer than 10 m line capacitance of 120 pF m at room temperature it is recommended that a CR filter or a bleeder resistor is connected 31 New H7E Count Timer Input or Reset Input to More than One H7E Counter at a Time e PNP NPN Universal DC Voltage Input iar Hi Ir F Note H Reset ON level must be 4 5 V minimum 4 7 KQ N V T 4 7 kQ N R e No voltage Input Note 1 The leakage current of the transistor used for input must be less than 1 uA 2 The forward voltage of the diode must be as low as pos sible i e 0 1 V maximum with an Ir of 20 uA so that the voltage between terminals 3 and 4 will be 0 5 V when the reset input is ON Input and Power Supply No voltage Input Models Do not impose voltage on the Counter if the Counter is a model that operates with no voltage input otherwise the internal circuit of the Counter may be damaged Do not connect any single input signal in parallel to Counter models operating with no voltage input and those operating with voltage input otherwise the Cou
18. xcessive tightening may also deform the rub ber packing Screw for the Flush Mounting Bracket The wider side must Adapter face the panel Il 0 Panel A Caution If a voltage other than the rated one is applied internal ele ments may be damaged Do not use the Counter in the following places e Locations subject to direct sunlight e Locations subject to corrosive gases e Locations subject to dust Reset Input and Count Timer Input e The H7E operates using its built in Battery If the H7E is connected to a device that has V and OUT terminals that are connected with a diode as shown in the circuit diagram the circuit indicated by the arrow 1 or 2 will be formed when the device is turned OFF As a result the H7E may be reset or count by one It is recommended that such devices not be connected to the H7E Devices 1 oo fer Count Timer H H input or reset input If an excessive voltage is applied to the count timer input or reset input terminals the internal elements may be damaged Ensure that the following voltages are not exceeded e PNP NPN universal voltage input model 30 VDC e AC DC voltage input model At count timer input 240 VAC peak voltage 338V 240 VDC At reset input 3 VDC no voltage input e No voltage input model 3 VDC e Avoid wiring close to high tension or large current lines Do not remove the outer case
Download Pdf Manuals
Related Search